about Autohex II Download forum contact

OBD II Fault Code P0651 :

Description of Fault code P0651

SENSOR REFERENCE VOLTAGE B CIRCUIT MALFUNCTION

Possible failuer P0651

  • Reference voltage line of the sensor which connected to Sensor Reference Voltage B short to power.
  • Reference voltage line of the sensor which connected to Sensor Reference Voltage B short to ground.

Diagnostic Procedure using AutoHex II Scan Tool

  • Abnormal Sensor Reference Voltage is detected during predetermined duration.

Test Conditions using AutoHex tester

  • Engine running.
  • BATTERY voltage ≥ 10.5V

Clear Fault codes Conditions

  • Abnormal Sensor Reference Voltage is detected during predetermined duration.

MIL Status

  • Check Engine Light ON

GDS KIA Ecu Flashing using AutoHex II


Note:

  • AutoHex II is a professional Auto diagnostic.
  • This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
    To get the accurate fault code description you may use AutoHex II

More Fault codes:

OBD II Fault Code P0652
OBD II Fault Code P0653
OBD II Fault Code P0654
OBD II Fault Code P0655
OBD II Fault Code P0656
OBD II Fault Code P0657
OBD II Fault Code P0658
OBD II Fault Code P0659
OBD II Fault Code P065A
OBD II Fault Code P065B
Autohex II Reviews
Autohex II Reviews
Find out Autohex II user's impressions about using this tool for BMW advanced services
AutoHex II
AutoHex II
AutoHex II is your best choice to have full access to dealer functions like coding, adjusting and modules flashing/programming, Contact us for prices
AutoHex Forum
Scan Tool Forum
In AutoHex onboard diagnostic forum you will find discussions how to change the configurations of the car by the professional special functions using AutoHex scan tool
AutoHex II Autohex II For BMW AutoHex II For Kia and Hyundai AutoHex stand alone Mercedes Technical Info